The painting, “Woman in an Armchair (Eva),” is a 1913 portrait of the artist’s mistress, Eva Gouel. It’s one of the Picasso’s most radical and imposing works, a provocative image hasn’t been on public display since 2007 at the Whitney Museum of American Art. And it’s one of 33 works by Picasso included in Mr. Lauder’s gift.

Mr. Lauder’s collection, which also includes 17 works by Georges Braque, 14 paintings by Juan Gris and 14 pieces by Fernand Léger, is considered one of the foremost assemblages of Cubism in the world. The full collection will be presented for the first time in an exhibition scheduled for fall 2014.

The preview Picasso will be on view for at least three months in the Met’s first-floor gallery of modern and contemporary art.

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